Fuji Photo Film Company, Limited

Yasufumi Nakai

Keizo Kimura

Yoshiharu Yabuki

Toshio Kawagishi

Jiro Tsukahara

Makoto Suzuki

Osamu Uchida

Masashi Ogiyama

Hideaki Satoh

Yasuhiro Yoshioka

Shigeaki Tanaka

Genichi Furusawa

Kentaro Okazaki

Takuya Yokokawa

The following 4,4'-bis(1,3,5-triazinylamino)stilbene-2,2&#x2032;-disulfonic acid derivative is well soluble in water:in which each of Rand Ris hydrogen, or a specifically substituted or unsubstituted alkyl group; each of Rand Ris hydrogen, a specifically substituted or unsubstituted alkyl group, a specifically substituted or unsubstituted aryl group; M is hydrogen, alkali metal, alkaline earth metal, ammonium, or pyridinium.

Diaminostilbene derivatives

A processing composition for silver halide photographic light-sensitive materials, comprises a bis&lsqb;2,6-diaminotriazin-4-yl&rsqb;arylenediamine derivative having at least one of a sulfonic acid group, a carboxylic group and a hydroxyl group within the molecule. This processing composition can be applied to a color developer, a bleaching agent, a fixing agent, a bleach-fixing agent and a stabilizing agent and also to a processing agent in a concentration on use, a concentrated processing agent and a solid processing agent.

Photographic processing composition containing bistriazinyl arylenediamine derivative

A color image forming method that includes subjecting a silver halide color photosensitive material to an exposure, and then processing it with a processing solution, wherein at least one silver halide emulsion in the silver halide layers has silver halide grains of AgClBr, AgCeI, or AgClIBr grains, having a AgCl content of 95 mol % or more, and having at least one region where a AgBr and/or AgI content is higher than the other region; the exposure is performed based on digital image data for area modulation; and the processing solution contains at least one compound represented by formula (I) or (II):

Color image forming method using silver halide color photosensitive material

Photographic processing composition containing heterocycle combination and method of forming image

A processing composition for a silver halide photographic material, which comprises at least one compound selected from the group consisting of compounds represented by the following general formulae (I) and (II):

Photographic processing composition containing a diaminostilbene derivative and image forming method using the same

The present invention provides a processing composition for a silver halide color photographic photosensitive material. The processing composition has excellent functions of reducing stain caused by residual dyes in a photosensitive material and of making no segregated deposit even in low temperature storage of the processing composition. The processing composition of the invention contains a bis-triazinylarylenediamine derivative and a diaminostilbene derivative. The invention also provides an image-formation process using the processing composition of the invention.

Photographic processing composition containing bis-triazinylarylenediamine derivative and diaminostilbene derivative, and image-formation process using the same

A silver halide color photographic material is described, which comprises a support having provided thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a red-sensitive silver halide emulsion layer, wherein the photographic material contains at least one compound having a photographically useful compound which is inactivated by the chelation with a metal, and the ratios of the gradients of yellow, magenta and cyan in specific development processing II to the gradients thereof in specific development processing I satisfy the following conditions:

Silver halide color photograph material and method for forming image

A silver halide light-sensitive material is disclosed, comprising a compound represented by the following formula (1): ##STR1## wherein PUG represents a photographically useful group bonded to B through a hetero atom thereof, CHL represents a multidentate ligand capable of coordinating to a metal atom, B represents a block group of which bonding to PUG is cleaved on cleavage of the bonding of CHL--M, M represents a divalent or greater metal, L represents a chelating ligand, m represents an integer of from 1 to 3, n represents 0 or an integer of 1 or 2, and the sum of m and n does not exceed 3. Also disclosed is an image formation method using the above-described silver halide light-sensitive material.

Silver halide light-sensitive material and image formation method using

A silver halide photographic light-sensitive material is described, which comprises a support having provided thereon a light-sensitive silver halide emulsion layer, wherein the silver halide photographic material contains a compound having been blocked by a metal chelate and capable of releasing a photographically useful compound therefrom through a reaction of the metal chelate moiety with a water-soluble chelating agent capable of forming a metal chelate having a higher stability constant on development. A method for forming an image is also described, which comprises processing, after imagewise exposure, a silver halide photographic light-sensitive material with a processing solution containing a nitrogen-containing heterocyclic carboxylic acid-base chelating agent.

Silver halide photographic light-sensitive material and image formation

There is disclosed a method for processing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent. In the method a silver halide color photographic material having at least one of the layers of which comprises a silver halide emulsion of high chloride containing 80 mol % or over of silver chloride, and containing at least one coupler having relative coupling rate of 0.05 or over in each color-sensitive layer is processed, after exposure to light, with a color developer containing a specified amount of chloride ions and bromide ions.

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Kanagawa, Japan

Yasufumi Nakai